JAY HAWKER — ORC Rating

GPH

570.5

OSN

555.9

LOA

12.244 m

Displacement

6806 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7064

Medium

0.9603

High

1.0887

Triple Offshore

Low

0.9204

Medium

1.1864

High

1.3275

Boat Specifications

Dimensions

Length overall: 12.244 m
Beam: 3.67 m
Draft: 2.16 m
Displacement: 6806 kg
Crew weight: 1010 kg
Wetted surface: 32.77 m²

Sails

Mainsail: 47.45 m²
Genoa: 52.09 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 164.94 m²

Design

Type: J-120
Builder: TILLOTSON-PEARSON
Designer: JOHNSTONE
Year built: 1994

Velocity Prediction

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.

6,43.1,5.108453,52,5.71,60,6.07,75,6.37,90,6.59,110,6.43,120,6.11,135,5.4,143.5,4.91381,150,4.56
8,42,6.095716,52,6.82,60,7.12,75,7.38,90,7.6,110,7.52,120,7.37,135,6.82,147,5.914122,150,5.73
10,40.7,6.806182,52,7.47,60,7.65,75,7.79,90,8.05,110,8.05,120,8,135,7.71,147,7.082638,150,6.86
12,38.6,7.024768,52,7.73,60,7.91,75,8.09,90,8.36,110,8.52,120,8.52,135,8.2,150,7.65,151,7.580437
14,37.5,7.121669,52,7.85,60,8.05,75,8.35,90,8.62,110,9.03,120,9.07,135,8.76,150,8.02,151.5,7.919737
16,36.9,7.177829,52,7.92,60,8.14,75,8.54,90,8.84,110,9.51,120,9.54,135,9.4,150,8.37,176,7.438119
20,36.8,7.268355,52,7.98,60,8.23,75,8.75,90,9.34,110,10.22,120,10.65,135,11,143,10.280034,150,9.48

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.71	6.07	6.37	6.59	6.43	6.11	5.4	4.56
8	6.82	7.12	7.38	7.6	7.52	7.37	6.82	5.73
10	7.47	7.65	7.79	8.05	8.05	8	7.71	6.86
12	7.73	7.91	8.09	8.36	8.52	8.52	8.2	7.65
14	7.85	8.05	8.35	8.62	9.03	9.07	8.76	8.02
16	7.92	8.14	8.54	8.84	9.51	9.54	9.4	8.37
20	7.98	8.23	8.75	9.34	10.22	10.65	11	9.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.73	143.5°	3.95
8	42°	4.53	147°	4.96
10	40.7°	5.16	147°	5.94
12	38.6°	5.49	151°	6.63
14	37.5°	5.65	151.5°	6.96
16	36.9°	5.74	176°	7.42
20	36.8°	5.82	143°	8.21

Loading polar chart…